Simple Probability

Front

What is probability?

Back

Probability is a measure of how likely an event is to occur, expressed as a number between 0 and 1.

Front

What is the probability of an event that is certain to happen?

Back

1 (or 100%)

Front

What is the probability of an event that is impossible?

Back

0 (or 0%)

Front

How do you calculate the probability of an event?

Back

Probability = (Number of favorable outcomes) / (Total number of possible outcomes)

Front

If a spinner has 8 equal sections and 3 are blue, what is the probability of landing on blue?

Back

3/8

Front

In the word 'MATHEMATICS', how many letters are there?

Back

11 letters

Front

What is the probability of choosing a letter 'M' from 'MATHEMATICS'?

Back

2/11

Front

If there are 6 blocks and 1 is red, what is the probability of choosing a red block?

Back

1/6

Front

In the word 'ALGEBRA', how many letters are there?

Back

7 letters

Front

What is the probability of choosing a letter other than 'A' from 'ALGEBRA'?

Back

5/7